Available Answers

1. 1.

   Tick (√) the correct options:

   1. Which of the following is not a non-magnetic substance?
      1. stone
      2. glass
      3. wood
      4. iron
   2. The substances that are attracted by the magnets are called _______________ substances.
      1. non-magnetic
      2. magnetic
      3. magnets
      4. none of these
2. 2.

   Tick (√) the correct options:

   1. Like poles of a magnet _______________ each other.
      1. repel
      2. attract
      3. slide over
      4. roll over
   2. Which of the following is attracted towards a magnet?
      1. iron
      2. cobalt
      3. both of these
      4. none of these
3. 3.

   Tick (√) the correct options:

   1. A magnet loses its magnetic property by _______________.
      1. using
      2. storing
      3. hammering
      4. cleaning
   2. If two unlike poles of a bar magnet are brought near each other, they _______________.
      1. repel each other
      2. attract each other
      3. don't show any kind of force
      4. none of these
   3. The two ends of a bar magnet are called _______________.
      1. points
      2. roads
      3. poles
      4. ends
   4. When a magnet is rolled over iron filings, most of them stick to the magnet at
      1. north pole
      2. south pole
      3. both poles
      4. middle
   5. The magnetic compass works on the principle of _______________ property of a magnet.
      1. selective
      2. attractive
      3. directive
      4. repulsive
   6. A freely suspended magnet points in the _______________ direction.
      1. north-south
      2. east-west
      3. only north
      4. only south
   7. Which of the following is the easiest way of making permanent magnet?
      1. double touch method
      2. single touch method
      3. heating
      4. hammering
4. 4.

   Fill in the blanks:

   1. The materials that are not attracted by a magnet are called _______________ substances.
   2. Paper is not a _______________ material.
   3. A magnet always has _______________ poles.
   4. Like poles _______________, whereas unlike poles _______________ each other.
   5. The magnetic force is negligible at the _______________ of the magnet.
   6. Each magnet has two magnetic poles- _______________ and _______________.
   7. Magnets _______________ their properties when they are heated, hammered or dropped from some height.
   8. The magnetic compass is an instrument used to find _______________.
   9. Poles of a magnet always exist in _______________.
5. 5.

   Match the following:

   Column A	Column B
   1. Steel	(a) maximum magnetic force
   2. Magnetic pole	(b) navigation
   3. ATM card	(c) permanent magnet
   4. Magnetic compass	(d) magnetic strip

    

6. 6.

   Where are the poles of a bar magnet located?